Properties of the Number -1450

Four Hundred Fifty

Basics

Value: -1451 → -1450 → -1449

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 29

Divisors: 1, 2, 5, 10, 25, 29, 50, 58, 145, 290

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110101010

Octal: -2652

Duodecimal: -A0A

Hexadecimal: -5aa

Square: 2102500

Square Root: 38.07886552931954

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = ∑_{d divides n} (-1)^{d + n/d} * d². A321558

Expansion of f(-x², -x⁴)² / (f(x³, -x⁶) * f(-x, x²)) in powers of·where f(,) is Ramanujan's general θ function. A261326

Expansion of 3·b(q²) * c(q²) / c(q)² in powers of q where b(), c() are cubic AGM θ functions. A261576

Expansion of ∏_k>=1 (1 - x^k)^k-1. A319108

a(n) = sigma₂(n): sum of squares of divisors of n. A1157

Generalized 9-gonal (or enneagonal) numbers: m*(7·m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A118277

Numbers m that are the hypotenuse of exactly 7 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 7 ways. A97101

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 5 as largest digit. A256631

Expansion of 1/(1 - x - x¹⁰ - x¹⁹ + x²⁰). A175740

a(n) = n²*∏_{distinct primes p dividing n} (1+1/p²). A65958